Burkert – Type 8139 Radar Level Meter for Liquids Suitable for Use in Applications with Aggressive Fluids as well as with Hygienic Requirements

type 8139

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General Technical Data

Product properties
Non wetted parts	Depending on antenna system. Detailed information can be found in chapter “2. Product versions” on page 5.
Materials	Please make sure the device materials are compatible with the fluid you are using. Detailed information can be found in chapter “4.1. Chemical Resistance Chart – Bürkert resistApp” on page 7.
Housing	Plastic PBT (Polyester), PPS and stainless steel 316L (1.4404)
Cover	PC transparent
Seal between housing and housing cover	EPDM
Cable gland	PA
Blind plug	PA
Ground terminal	Stainless steel 316L
Wetted parts	Depending on antenna system. Detailed information can be found in chapter “2. Product versions” on page 5.
Dimensions	Detailed information can be found in chapter “5. Dimensions” on page 8.
Weights	Approx. 2…17.2 kg (depending on process connection and antenna)
Measuring variable	Distance between the end of the sensor antenna and the product surface.
Measuring range	Max. 30 m (depending on antenna system). Detailed information can be found in chapter “2. Product versions” on page 5.
Beam angle1.)	Depending on antenna system. Detailed information can be found in chapter “2. Product versions” on page 5.
Damping (63 % of the input variable)	0…999 s, adjustable
Step response time2.)3.)	≤ 3 s
Product accessories Display	LCD in full dot matrix (optional, must be ordered separately)
Performance data
Blocking distance	Null
Measurement deviation	According to EN 60770-1: ≤ 1 mm for liquids (measuring distance > 0.25 m). Detailed infor-mation can be found in chapter “6.1. Measurement deviation diagram” on page 11.
Measuring range resolution	1 mm
Measuring frequency	W-Band (80 GHz technology)
Measuring cycle time2.)	Approx. 700 ms
Temperature drift	< 0.03 %/10K relating to the 16 mA span or max. 0.3 %
Repeatability4.)	≤ 1 mm
Vibration resistance	Depending on antenna system. Detailed information can be found in chapter “2. Product versions” on page 5.
Shock resistance	100 g, 6 ms according to EN 60068-2-27 (mechanical shock)
Electrical data
Operating voltage (Un)	Actual valve output: 4…20 mA Max. load (current output): < 500 Ω
Starting current	1 pulse per m3
Load resistor	RS 485 interface, Modbus-RTU
Output signal	18…36 V DC, 5 W
Signal resolution	0.3 µA
Range of the output signal	3.8…20.5 mA/HART (default setting)
Fault signal	Current output: mA value unchanged, 20.5 mA, 22 mA or < 3.6 mA (adjustable)
Max. output current	22 mA
Residual ripple (at DC)	For 12 V< Un < 18 V: ≤ 0.7 Veff (16…400 Hz) For 18 V< Un < 35 V: ≤ 1.0 Veff (16…400 Hz)
Voltage supply cable	• Cable diameter: 5…9 mm • Wire cross-section (spring-loaded terminals): – massive wire, stranded wire: 0.2…2.5 mm2 (AWG 24…14) – stranded wire with end sleeve: 0.2…1.5 mm2 (AWG 24…16)
Media data
Process temperature	Depending on antenna system. Detailed information can be found in chapter “2. Product versions” on page 5.
Process pressure	Depending on antenna system. Detailed information can be found in chapter “2. Product versions” on page 5.
Process/Port connection & communication
Process connection	• Mounting bracket 170 mm (supplied as standard) or 300 mm (accessory) (version with plastic horn antenna) • Thread G or NPT – ¾” or 1½” (version with integrated horn antenna) • Flange DN50, DN100 DIN 2501 (version with encapsulated antenna system) • Clamp 2″ DIN 32676, ISO 2852 (hygiene connection version with encapsulated anten-na system)
Electrical connection	Cable gland M20 x 1.5
Approvals and Certificates
Standards Degree of protection according to  IEC/EN 60529	IP66/IP67 with cable plug mounted and tightened M20 x 1.5
Overvoltage category according to IEC 61010-1	Category III
Protection class according to IEC 61010-1	Class III
Directives
CE directives	The applied standards, which verify conformity with the EU Directives, can be found on the EU Type Examination Certificate and/or the EU Declaration of conformity (if applicable)
NAMUR recommendations	NE21- Electromagnetic compatibility of equipment NE43 – Signal level for fault information from measuring transducers NE53 – Compatibility of field devices and display/adjustment components NE107 – Self-monitoring and diagnosis of field devices
Approvals
ATEX/IECEx	EN IEC 60079-0, EN 60079-11, EN 60079-26 Detailed information can be found in chapter “3.1. ATEX/IECEx-Certification” on page 7.
Environment and installation
Ambient temperature	Operation and storage: – 40…+ 80 °C (- 40…+ 176 °F)
Temperature derating	Depending on antenna system. Detailed information can be found in chapter “6.2. Tem-perature derating diagram” on page 12.
Relative air humidity	20…85 %, without condensation
Height above sea level	By default: max. 2000 m With connected overvoltage protection: max. 5000 m
Pollution degree	Degree 4 (when used with fulfilled housing protection)

*For selecting thecorrect product please refer to the technical data, images and notes for proper use according to the data sheet, or contact Flu-Tech directly.

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